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816.7 MW Sub. Coal operating in Converse, WY — PacifiCorp - East
816.7 MW
Nameplate Capacity
4
Generators
units
Conventional Steam Coal
Technology
1959
Operating Since
Coordinates
42.8378, -105.7769
County
Converse, WY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | — | — |
The Dave Johnston power plant is located in Converse County, Wyoming. The plant has a total capacity of 816.7 MW across four generators using conventional steam coal technology and subbituminous coal (SUB) as its primary fuel. The plant began operating in 1959. PacifiCorp operates the facility, while Berkshire Hathaway is the parent company. Dave Johnston ranks as the second-largest of six coal plants in Wyoming, and 40th out of 75 coal plants nationally. The plant operates within the PacifiCorp - East balancing authority in the Western Electricity Coordinating Council (WECC) NERC region.
In the latest year of reported generation, the plant produced 4,273,471 MWh, achieving a capacity factor of 59.8%. Financial data indicates an installed cost of $1,268.6 per kW, based on FERC and FERC EQ data. The plant also has a reported PPA price of $10.78 per MWh.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
191.8K MWh
Latest Month
4.3M MWh
Annual Generation
59.8%
Capacity Factor
CO₂ Intensity
2576 lb/MWh
NOx
2 lb/MWh
SO₂
PacifiCorp · Data from 2015–2025
$10.8/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about Dave JohnstonPacifiCorp - East (PACE)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
3 lb/MWh
CH₄
0.291 lb/MWh
N₂O
0.042 lb/MWh
Capacity Factor
49.4%
Annual Net Gen
3537 GWh
CO₂eq
2596 lb/MWh
Subregion
WECC Northwest